Geared actuator arrangement

Details Geared actuator arrangement Geared actuator arrangement

1986-09-17

1988-09-06

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74674, 74768, F16H 128

Patent

active

047684003

ABSTRACT:
An actuator arrangement includes epicyclic gearing having compound planetary gears each of whose pinions respectively mesh with a ring gear on a relatively fixed body and with two output ring gears to drive the latter in opposite directions relative to the body. The pinions which mesh with the ring gear on the body are free to rotate with respect to the remaining pinions and also mesh with a sun gear which is separate from, but driven by, the sun gear which drives the remaining pinions. The arrangement permits the gearing to overcome dimensional restraints imposed by prior art systems.

REFERENCES:
patent: 2053130 (1936-09-01), Cheyne
patent: 2703021 (1955-03-01), Stoeckicht
patent: 2944444 (1960-07-01), Burns
patent: 2966808 (1961-01-01), Grudin
patent: 3008355 (1961-11-01), Grudin
patent: 3120761 (1964-02-01), Pravel
patent: 3203275 (1965-08-01), Hoover
patent: 3234821 (1966-02-01), Himmel et al.
patent: 3640150 (1972-02-01), Leiner et al.
patent: 4391163 (1983-07-01), Benthake et al.
patent: 4578993 (1986-04-01), Burandt

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